Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Seattle to Ireland from €148

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Ireland departing on 30/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
Voted the Winner of Europe's Best Travel App 2023

Find the cheapest flights from Seattle to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
KLM Logo
17:45 - 10:20
SEA
-
ORK
32h 35m
1 stop
KLM Logo
10:50 - 11:37
ORK
-
SEA
32h 47m
1 stop
€614KLM
Tue, 18 Aug - Tue, 25 Aug
Delta Logo
11:05 - 14:40
SEA
-
ORK
19h 35m
2 stops
Delta Logo
06:15 - 11:37
ORK
-
SEA
13h 22m
1 stop
€615Delta
Tue, 18 Aug - Tue, 25 Aug
KLM Logo
13:30 - 14:40
SEA
-
ORK
17h 10m
1 stop
KLM Logo
05:45 - 16:35
ORK
-
SEA
18h 50m
2 stops
€619KLM
Tue, 13 Oct - Mon, 2 Nov
United Airlines Logo
07:00 - 07:30
SEA
-
SNN
16h 30m
1 stop
United Airlines Logo
09:30 - 19:07
SNN
-
SEA
17h 37m
1 stop
€642United Airlines
Mon, 3 Aug - Mon, 24 Aug
United Airlines Logo
07:00 - 07:30
SEA
-
SNN
16h 30m
1 stop
United Airlines Logo
09:30 - 19:07
SNN
-
SEA
17h 37m
1 stop
€643United Airlines
Mon, 3 Aug - Mon, 24 Aug
Air Canada Logo
19:20 - 07:45
SEA
-
DUB
52h 25m
2 stops
Air Canada Logo
09:50 - 18:32
DUB
-
SEA
40h 42m
2 stops
€709Air Canada
Fri, 31 Jul - Mon, 10 Aug
Air Canada Logo
05:50 - 08:15
SEA
-
DUB
18h 25m
2 stops
Air Canada Logo
09:50 - 18:32
DUB
-
SEA
16h 42m
1 stop
€710Air Canada
Mon, 3 Aug - Fri, 14 Aug
Multiple Airlines Logo
23:25 - 13:15
SEA
-
DUB
29h 50m
1 stop
Multiple Airlines Logo
09:40 - 09:40
DUB
-
SEA
32h 00m
2 stops
€712Multiple Airlines
Sat, 1 Aug - Wed, 12 Aug
Air France Logo
07:15 - 11:10
SEA
-
SNN
19h 55m
1 stop
Air France Logo
13:05 - 23:20
SNN
-
SEA
18h 15m
1 stop
€714Air France
Tue, 4 Aug - Tue, 25 Aug
Multiple Airlines Logo
08:00 - 08:15
SEA
-
DUB
16h 15m
1 stop
Multiple Airlines Logo
06:00 - 11:55
DUB
-
SEA
13h 55m
1 stop
€717Multiple Airlines
Sun, 2 Aug - Tue, 11 Aug

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Air Canada flights from Seattle to Ireland

Our best Air Canada deals on Seattle to Ireland flight tickets
Air Canada
31 Jul
SEA19:20Seattle/Tacoma Intl
52h 25m
2 stops
DUB07:45Dublin
10 Aug
DUB09:50Dublin
40h 42m
2 stops
SEA18:32Seattle/Tacoma Intl
€709
Air Canada
3 Aug
SEA05:50Seattle/Tacoma Intl
18h 25m
2 stops
DUB08:15Dublin
14 Aug
DUB09:50Dublin
16h 42m
1 stop
SEA18:32Seattle/Tacoma Intl
€710
Air Canada
2 Aug
SEA05:50Seattle/Tacoma Intl
17h 55m
2 stops
DUB07:45Dublin
12 Aug
DUB09:20Dublin
32h 47m
2 stops
SEA10:07Seattle/Tacoma Intl
€713

Lufthansa flights from Seattle to Ireland

Our best Lufthansa deals on Seattle to Ireland flight tickets
Lufthansa
1 Aug
SEA15:00Seattle/Tacoma Intl
32h 45m
2 stops
DUB07:45Dublin
14 Aug
DUB09:20Dublin
21h 22m
2 stops
SEA22:42Seattle/Tacoma Intl
€718
Lufthansa
4 Aug
SEA14:10Seattle/Tacoma Intl
13h 25m
1 stop
DUB11:35Dublin
14 Aug
DUB06:05Dublin
13h 50m
1 stop
SEA11:55Seattle/Tacoma Intl
€731
Lufthansa
31 Jul
SEA14:10Seattle/Tacoma Intl
24h 05m
1 stop
DUB22:15Dublin
4 Aug
DUB10:40Dublin
14h 19m
1 stop
SEA16:59Seattle/Tacoma Intl
€746

momondo Fare Finder

 
Customise your flight search to find flights from Seattle to Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 28 June 2026.
Use the filters below to find and compare flights from Seattle to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleCork

SEA - ORK

SEAORK

Seattle/Tacoma Intl

Tue 18/8

17:45-10:20

1 stop32h 35m

Cork

Tue 25/8

10:50-11:37

1 stop32h 47m

€614

SeattleCork

SEA - ORK

SEAORK

Seattle/Tacoma Intl

Tue 18/8

11:05-14:40

2 stops19h 35m

Cork

Tue 25/8

06:15-11:37

1 stop13h 22m

€615

SeattleCork

SEA - ORK

SEAORK

Seattle/Tacoma Intl

Tue 13/10

13:30-14:40

1 stop17h 10m

Cork

Mon 2/11

05:45-16:35

2 stops18h 50m

€619

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 3/8

07:00-07:30

1 stop16h 30m

Shannon

Mon 24/8

09:30-19:07

1 stop17h 37m

€642

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 3/8

07:00-07:30

1 stop16h 30m

Shannon

Mon 24/8

09:30-19:07

1 stop17h 37m

€643

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Fri 31/7

19:20-07:45

2 stops52h 25m

Dublin

Mon 10/8

09:50-18:32

2 stops40h 42m

€709

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 3/8

05:50-08:15

2 stops18h 25m

Dublin

Fri 14/8

09:50-18:32

1 stop16h 42m

€710

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 1/8

23:25-13:15

1 stop29h 50m

Dublin

Wed 12/8

09:40-09:40

2 stops32h 00m

€712

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 4/8

07:15-11:10

1 stop19h 55m

Shannon

Tue 25/8

13:05-23:20

1 stop18h 15m

€714
Fastest return journey

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 2/8

08:00-08:15

1 stop16h 15m

Dublin

Tue 11/8

06:00-11:55

1 stop13h 55m

€717

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Ireland from

How to get the cheapest flight ticket from Seattle to Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ireland?

The month of November is another great option to travel to Ireland, with average flight prices from Seattle averaging around €263.

What is the cheapest Seattle/Tacoma Intl to Ireland flight route?

Fly from Seattle/Tacoma Intl to Dublin for the best Seattle/Tacoma Intl - Ireland flight prices

How far in advance should I book a flight from Seattle to Ireland?

You are more likely to see cheaper flights to Ireland from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €556 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Seattle for as low as €458 on momondo.

What cabin class options are available on Seattle to Ireland flights?

There is only 1 cabin class available to choose from on Seattle to Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seattle to Ireland flights?

No. A direct flight is the cheapest option for a flight between Seattle to Ireland.

Cheap Seattle to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Ireland

Fastest flight time

9h 05m

Direct flights

Every day

Airports in Ireland

77 airports
The fastest flight from Seattle to Ireland takes 9h 05m
Direct flights go from Seattle to Ireland every day.
There are 77 airports in Ireland. From Seattle there are direct flights to Dublin (DUB).
Search flight deals

Frequently asked questions about flying from Seattle to Ireland

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Ireland?

    Prices for flights from Seattle/Tacoma Intl Airport to Ireland are updated daily.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Ireland?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Ireland?

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Ireland?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Ireland for you.

Can I find flights from Seattle to Ireland with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ireland from Seattle which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Seattle to Ireland?

momondo helps you find the best flight between Seattle and Ireland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seattle to Ireland right now. Can momondo alert me if prices change?

Price alerts on flights to Ireland from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Ireland trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 28/7
Tue 4/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland

Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo
Flights to Dublinfrom €40
Flights to Corkfrom €85
Flights to Shannon, Clarefrom €92
Flights to Milltown (Kerry)from €36
Flights to Donegalfrom €76